040000 tree 8e3489fd33beb82521e27afac915350ec181b150	docgen
040000 tree ec9f1855dca4d330eb292e0b263cd18e6de0f9ae	lib
040000 tree a22dd180c329d14b23e2ed4de9de9f7c6fefaae1	skydoc
040000 tree 92c65c182f4275d6373366546e6fa33cf58352f9	skyframe